Svew gutstitab brogbeh and kaleb kablsson



SEG. BROGREN AND K. KARLSSON.

BURNER FOR PETROLEUM STOVES.

APPLICATION mm APR. 22. 1921.

1,406,338. Patented Feb. 14, 1922.

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v SVEN GUNNAB nnoennn AND KALEB KABLSSON, OF GOTTENBORG, SVIEDEN.

-'BUR1\TER roa PETROLEUM s'rovns.

I Specification of Letters Patent. Patented Feb, 14, 1922,

Application filed. April 22, 1921. Serial No. 463,718.

To all 10 700m it may concern:

Be it known that we, SvnN GUNNAR Buo- GREN and KALEB KAnLssoN, subjects of the King of Sweden, residing at Gottenborg, in the Province of Gottenborg and Bohus, Sweden, have inventedcertain new and useful Improvements in Burners for Petroleum Stoves, of which the following is a specification. l

This invention refers to vaporizing burners for paraflin stoves, and has for its object to provide avaporizingburner which can be easily cleaned' if clogged by grit or other deposits or impurities in the oil.

Vaporizing paraffin burners hitherto known suffer generally from the difliculty of an effective cleaning of the rather narrow channels for the flow of the not yet vaporized liquid fuel as well as the already vaporized or gaseous fuel when clogged by the deposits in the fuel. This objection mainly depends upon the design of the burners since the supply pipes for the liquid fuel to the vaporizer as well as the ducts from the vaporizer to the nozzle of the burner generally are drawn in some curved bends so as to not permit a thorough pickering of the chan- Also said ducts generally are attached to each other as well as to the vaporizer by means of soldering, thus making it necessary to dismount the entire device by the aid of a skilled worlnnan before the cleaning can be performed and when this procedure has been completed, once again solder the parts together. These time wasting and somewhat costly operations often make it more convenient to remove the clogged sample and replace it by an entirely new burner.

The object of this invention is to overcome the said inconveniences and to provide a burner which can be easily cleaned by anyone even if not a skilled nechanician so that the same burner can be retained and used for a long period.

' In the accompanying drawing an embodiment of the invention is illustrated, wherein Figures 1 and 2 show two various side elevations of the improved burner with certain parts removed, and Figure 3 a plan view of the burner.

In the drawing 1 denotes of the liquid fuel, the said pipe having mainly a vertically rectilinear shape and is provided at its upper end with threads 2, by means of which the pipe is attached to the vaporizer 3 and at its lowerend with the supply pipe threads 4: for attaching the burner to the fuel tank, whereby the pipe 1 also forms a suppo'rt'for the burner proper. The vaporizer 3 is disposed within a portion 6 of'a washer or ring 5 serving as a distributor of the flame. The vaporizer-"3 by means of a channel 7 passing circumferentially in relation to the ring 5 communicates with a channel 8 disposed in the axial plane of the ring Sand forming angle to the axial centre line of the ring 5. The channel 8 is at its lower end provided with threads and joined to the substantiallystraight-lined gas pipe 10 to the outlet nozzle 11, for which purpose the pipe 10 in the upper end is provided with threads 12. The inclination of the channel 8 and of the pipe 10 is chosen such, that the nozzle 11, which is screwed in a compartment 13 fastened to the lower end of the pipe 10, will be situated below the centre of the opening of the ring 5.

hen the gas pipe 10 ought to be cleaned from deposits the said pipe is unscrewed, which eventually can necessitate a preceding unscrewing. of the pipe '1, if the two pipes are disposed so close together as shown in the drawing, wherein the channel 7 is comparatively short. If this channel 7 however, should be so long, that the pipes 1 and 10 for instance can be disposed on diametrically opposite sides of the ring 5, such a previous removing of the pipe 1 will not be necessary, in which case the pipe 1 may be attached to the portion 6 also by soldering if proved more convenient.

In order to enable an occasional cleaning of the gas pipe 10 without needto unscrew it, a removable mud plug 14 can be fitted in the upper end of the channel 8, so that by unscrewing said plug 1d a pricker can be inserted into the pipe 10 and remove any grit or other deposits in the bottom of the channel 8.

In connection with the foregoing attention is directed to the relation of the seat 13 with respect to the pipe 1 the latter forming a support so that when the nozzle is being attached or disconnected it receives strains on the pipe 10 and prevents loosening of this pipe at the joint of the vaporizer.

It must be understood, that the invention is not limited to the special design of the burner here described and shown in the drawing but the details of the apparatus may be varied in several respects in shape and d gn Within the scope of the invention.

lVhat is claimed as new and wanted to protect by Letters Patent is 1. In a vaporizing paraflinburner an annular flame distributor, a vaporizer provided non symmetrically at the one side of said annular flame distributor a substantiallyreotilinear gas duct going obliquei in relation to the axial centre line of said annular flame annular flame distributor and terminating in a screw-threaded end portion disposed co axially with the center line of said annular flame distributor.

Ina vaporizing paraflin burner, in combination, an annular flame distributor, a vaporizer provided non-symmetrieally at one sideof, said annular distributor, a supply pipe for liquid fuel leading tosaid vaporizer, a gas duct in communication with the vaporizer and arranged in a slopingposition in relation to the center line of said flame distributor, a seat at the terminal of the gas duct, a screw-threaded burner nozzledetaohr ably engaged in the seat and said seat being disposed close to said fuel supply pipe so as to be supported thereby, as and for the purpose set forth.

Intestimony whereof we have afiixed our signatures. Y

BROGREN.

'SVEN GUNNAR KALEB KARLSSON. 

